CN206129746U - Work platform posture adjustment device and high altitude construction car - Google Patents

Work platform posture adjustment device and high altitude construction car Download PDF

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Publication number
CN206129746U
CN206129746U CN201621033649.4U CN201621033649U CN206129746U CN 206129746 U CN206129746 U CN 206129746U CN 201621033649 U CN201621033649 U CN 201621033649U CN 206129746 U CN206129746 U CN 206129746U
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China
Prior art keywords
job platform
automatically controlled
unit
adjustment unit
oil
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CN201621033649.4U
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Inventor
卢良卫
孔德美
宋笑然
黎江
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Xugong fire safety equipment Co. Ltd.
Construction Machinery Branch of XCMG
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Xugong Fire Safety Equipment Co Ltd
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Abstract

The utility model relates to a work platform posture adjustment device and high altitude construction car, wherein the work platform posture adjustment device includes artifical adjustment unit and automatically controlled adjustment unit, artifical adjustment unit is used for the gesture through manual operation mode adjustment work platform (1), automatically controlled adjustment unit is used for the gesture through automatically controlled mode adjustment work platform (1), artifical adjustment unit respectively constitute component and/or automatically controlled adjustment unit respectively to constitute the component integrated at least in part. The utility model discloses respectively constituteing component and/or automatically controlled adjustment unit with artifical adjustment unit, respectively to constitute the component integrated at least in part, make to correspond the intercommunication through inside oil circuit respectively between the component artifical adjustment unit's respectively the constituteing of component and/or automatically controlled adjustment unit of respectively constituteing, need not to communicate through outside fluid pressure line, so not only can reduce the whole volume of work platform posture adjustment device, to reduce space occupied, can also simplify the installation, shorten the oil circuit, improve oil circuit reaction sensitivity.

Description

Job platform device for adjusting posture and high-altitude operation vehicle
Technical field
The utility model is related to technical field of engineering machinery, more particularly to a kind of job platform device for adjusting posture and high-altitude Operation Van.
Background technology
At present, in height rescue, the application of fire fighting truck is more and more universal, and its structure is as shown in figure 1, arm support 102 is installed On vehicle body 103, working bucket 101 is arranged on the top of arm support 102.
Working bucket 101 as rescue a kind of people carrier, during the entire process of arm support 102 rises and falls, it is necessary to phase For ground keeps horizontality, therefore generally require the levelling device that working bucket is set.The control of levelling device is typically by liquid Voltage electrical control system detects the level inclination of working bucket 101 realizing by the obliquity sensor in working bucket 101, and The dip angle signal for being detected is converted into into electric signal, for controlling hydraulic control system, hydraulic control system drives working bucket 101 toward horizontal direction (inclination angle is 0 ° of direction) motion, so that working bucket 101 keeps horizontality.
Usually, hydraulic control system is arranged in working bucket 101 or near working bucket 101, for controlling working bucket 101 leveling action.Because the leveling performance of working bucket 101 directly affects rescue security, thus hydraulic control system except Possess outside self-leveling function, in addition it is also necessary to manual-operated emergent levelling function, i.e., when self-leveling disabler, can enter Pedestrian is emergency operation, so that working bucket 101 realizes manual leveling.
Existing height rescue class fire fighting truck, the levelling device of its working bucket is typically mounted in working bucket 101, such as Fig. 2 It is shown, and it is used for the hydraulic control system of leveling mainly using control valve group, it is provided simultaneously with automatic leveling control and meets an urgent need manual Two functions of control.As shown in figure 3, electric proportional reversing valve 104 is automatic leveling controls valve, i.e., when inclination angle occurs in working bucket 101 When, inclination angle changes into electric signal and controls the electric proportional reversing valve 104, and then drives the automatic leveling of working bucket 101;If adjusted automatically Flat disabler, can lean on hand pump 106 and hand-operated direction valve 105 to control the leveling of working bucket 101, i.e. manual leveling.
Specifically, the levelling principle of hydraulic control system as shown in Figure 3 is:
During normal work, Po mouths connect pressure oil-source, by the control pressure of the electric proportional reversing valve 104 oil direction of the supply.When electricity ratio When the left position of example reversal valve 104 is connected, P2 and A2 are connected, and pressure oil reaches A mouths by A2 mouths, control working bucket 101 upwards (or Leveling downwards);When the right position of electric proportional reversing valve 104 is connected, P2 and B2 is connected, and pressure oil reaches B mouths, control by B2 mouths (or upwards) leveling downwards of working bucket 101.
When automatic flat-adjustable function fails, such as Po does not have pressure oil-source, or electric proportional reversing valve 104 can not work Deng, the handle for artificially shaking hand pump 106 is now needed, supply pressure is oily, then artificially pushes away the handle of hand-operated direction valve 105 To left position (or right position), pressure oil is connected by P1 with B1 mouths (or A1 mouths), then reaches B mouths (or A mouths), controls working bucket 101 Upwards (or downwards) leveling.
In the prior art, figure it is seen that the arrangement for each element of levelling device of working bucket compares Dispersion, and need to be attached by fluid pressure line between part, install complicated;These element have almost taken working bucket Whole side, takes up room big;When emergency maneuver hand pump is needed, people station needs to bend to be operated with hand in working bucket, depending on Open country is limited, is not easy to observation;And the limited space of working bucket, operation also inconvenience of bending.
It should be noted that the information for being disclosed in the utility model background section is merely intended to increase new to this practicality The understanding of the general background of type, and be not construed as recognizing or implying in any form that the information structure has been art technology Prior art well known to personnel.
Utility model content
The purpose of this utility model is to propose a kind of job platform device for adjusting posture and high-altitude operation vehicle, with as much as possible Reduce taking up room for job platform device for adjusting posture.
For achieving the above object, the utility model provides a kind of job platform device for adjusting posture, including manually adjusting Unit and automatically controlled adjustment unit, it is described to manually adjust unit for adjusting the attitude of job platform, institute by manual mode of operation Automatically controlled adjustment unit is stated for adjusting the attitude of job platform, each element for manually adjusting unit by automatically controlled mode And/or each element of the automatically controlled adjustment unit is at least partly integrated.
Further, each composition unit of each element for manually adjusting unit and/or the automatically controlled adjustment unit Part is at least partly integrated on integrated unit.
Further, the unit that manually adjusts is described manual including hand-operated direction valve, manual pump and pedal link mechanism Reversal valve is connected with the oil-out of the manual pump, and the pedal link mechanism is connected with manual pump, to be made by foot-operated action The manual pump output hydraulic pressure oil.
Further, the hand-operated direction valve and the manual pump are integrated on integrated unit.
Further, the pedal link mechanism is arranged on the integrated unit.
Further, the automatically controlled adjustment unit includes proportional reversing valve, and the proportional reversing valve is used for described automatically controlled Oil feeding line in adjustment unit is commutated, and the proportional reversing valve is also integrated in the integrated unit.
Further, also including drive mechanism, the unit that manually adjusts is described automatically controlled including the first hydraulic control system Adjustment unit includes the second hydraulic control system, the output circuit of first hydraulic control system and second hydraulic control Pressure selection mechanism is provided between the output circuit of system, the pressure selection mechanism is used to choose accordingly two output circuits The larger oil circuit of middle pressure, and the larger oil circuit of the pressure is connected with the oil feeding line of the drive mechanism, with by institute Stating drive mechanism drives the job platform to rotate, and then adjusts the attitude of the job platform.
Further, the pressure selection mechanism includes shuttle valve.
Further, the pedal link mechanism includes head rod and pedal, the first of the head rod End can rotate relative to the job platform, and the second end of the head rod is connected with the pedal, described manual Pump is connected with the head rod, so that the head rod is caused by trampling the pedal relative to the operation Platform is rotated, and the manual pump is opened when the pedal is depressed.
Further, the pedal link mechanism also includes support bar and the second connecting rod, the first end of the support bar It is connected with the job platform, the second end and the first end of the head rod of the support bar are rotatably coupled, institute State head rod to be connected with the manual pump by second connecting rod.
Further, also including elastic mechanism, the elastic mechanism is used to step on the pedal link mechanism in releasing The pedal link mechanism is set to automatically reset after stepping on.
Further, the unit that manually adjusts is including the first hydraulic control system and for first hydraulic control system The first power source of hydraulic oil is provided, the automatically controlled adjustment unit includes the second hydraulic control system and for the second hydraulic pressure control System processed provides the second power source of hydraulic oil, and second power source is relatively independent with first power source.
For achieving the above object, the utility model additionally provides a kind of high-altitude operation vehicle, including above-mentioned job platform appearance State adjusting apparatus.
Further, high-altitude operation vehicle is rescue class fire fighting truck.
Based on above-mentioned technical proposal, the utility model will adjust the artificial tune of job platform attitude by manual mode of operation Each element of whole unit and/or adjusted by automatically controlled mode job platform attitude automatically controlled adjustment unit each element It is at least partly integrated so that manually adjust between each element of unit and/or each element of automatically controlled adjustment unit Can be connected by internal oil passages correspondence respectively, without being connected by external hydraulic pipeline, so not only can be subtracted The overall volume of little job platform device for adjusting posture, reduction takes up room, and can also simplify installation, shortens oil circuit, improves oil Road draw property.
Description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes the part of the application, Schematic description and description of the present utility model is used to explain the utility model, does not constitute to of the present utility model improper Limit.In the accompanying drawings:
Fig. 1 is the structural representation of fire fighting truck in prior art.
Fig. 2 is the scheme of installation and the enlarged drawing of working bucket leveling device of working bucket leveling device in prior art.
Fig. 3 is the hydraulic schematic diagram of working bucket leveling device in prior art.
Fig. 4 is the scheme of installation of the utility model job platform device for adjusting posture one embodiment.
Fig. 5 is the structural representation of the utility model job platform device for adjusting posture one embodiment.
Fig. 6 is the structural representation of pedal link mechanism in the utility model job platform device for adjusting posture one embodiment Figure.
Fig. 7 is the schematic diagram of hydraulic control system in the utility model job platform device for adjusting posture one embodiment.
In figure:101- working buckets, 102- arm supports, 103- vehicle bodies, 104- electricity proportional reversing valves, 105- hand-operated direction valves, 106- hand pumps;
1- job platforms, 2- integrated units, 3- pedal link mechanisms, 21- proportional reversing valves, 22- manual pumps, 23- is manual Reversal valve, 24- shuttle valves, the shuttle valves of 241- first, the shuttle valves of 242- second, 25- overflow valves, the overflow valves of 251- first, 252- second overflows Stream valve, 26- oil filters, 27- check valves, 31- support bars, the connecting rods of 32- second, 33- head rods, 34- pedals.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in embodiment is carried out clear, complete Ground description.Obviously, described embodiment is only a part of embodiment of the present utility model, rather than the embodiment of whole. Based on embodiment of the present utility model, the institute that those of ordinary skill in the art are obtained under the premise of creative work is not made There is other embodiment, belong to the scope of the utility model protection.
In description of the present utility model, it is to be understood that term " " center ", " horizontal ", " longitudinal direction ", "front", "rear", "left", "right", " on ", D score, " vertical ", " level ", " top ", " bottom ", " interior ", the orientation of the instruction such as " outward " or position relationship be Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicates Or the device or element of hint indication with specific orientation, with specific azimuth configuration and operation, therefore must not be understood that It is the restriction to the utility model protection domain.
Installation in solve the problems, such as prior art existing for the levelling device of working bucket is complicated, it is larger to take up room, The utility model proposes a kind of improved job platform device for adjusting posture of structure.
As shown in Figure 4 and Figure 5, the job platform device for adjusting posture includes manually adjusting unit and automatically controlled adjustment unit, Unit is manually adjusted for adjusting the attitude of job platform 1 by manual mode of operation, automatically controlled adjustment unit is used for by automatically controlled Mode adjusts the attitude of job platform 1.Wherein, unit is manually adjusted using the pure attitude for manually adjusting mode to job platform 1 It is adjusted, automatically controlled adjustment unit manually add automatically controlled Mixed adjustment mode to adjust the attitude of job platform 1 adopting It is whole, it would however also be possible to employ pure automatically controlled adjustment mode is adjusted to the attitude of job platform 1 automatically.
When automatically controlled adjustment unit due to power source supply or building block in certain valve break down and cannot normal work When making, it is possible to use manually adjust unit carries out emergent adjustment to the attitude of job platform 1 by artificial operation.
No matter automatically controlled adjustment unit or unit is manually adjusted, appearance that can be according to default requirement to job platform 1 State (such as, angle of inclination) is adjusted, and the requirement for here presetting at both had included for job platform 1 being adjusted to conventional horizontal State, to ensure the balance and processing safety of operating personnel, also including needing for job platform 1 to be adjusted to relative under special operation condition There is the attitude of special angle in horizontal plane.
Each element of each element and/or automatically controlled adjustment unit that manually adjust unit is at least partly integrated. By will by manual mode of operation adjust job platform attitude each element for manually adjusting unit and/or by automatically controlled Mode adjusts each element of the automatically controlled adjustment unit of job platform attitude and is at least partly integrated so that manually adjust unit The element of element and automatically controlled adjustment unit can connect by internal oil passages correspondence respectively, without the need for passing through outer liquid Pressure pipe road is connected, and can reduce the size of each element in job platform device for adjusting posture when integrated, is entered And the overall volume of reduction job platform device for adjusting posture, alleviate the weight of adjusting apparatus;Meanwhile, using it is integrally disposed it Afterwards, fluid pressure line used in the prior art is eliminated, the entirety for making job platform device for adjusting posture takes up room significantly Reduce, be that job platform saves substantial amounts of space;In addition, the job platform device for adjusting posture after integrated can also simplify peace Dress, shortens oil circuit, improves oil circuit draw property.
In the above-described embodiments, can be integrated by the part or all of element for manually adjusting unit, it is also possible to by electricity Part or all of element in control adjustment unit is integrated, or while will manually adjust the part or all of composition unit of unit Part or all of element in part and automatically controlled adjustment unit is integrated;Meanwhile, these elements can be integrated in same collection Into on unit, it is also possible to be integrated on two or more different integrated units.
In a preferred embodiment, each element of unit and/or each group of automatically controlled adjustment unit are manually adjusted It is at least partly integrated on integrated unit 2 into element.
For unit is manually adjusted, the first hydraulic control system and the first power source, the first power source can be included For providing hydraulic oil for the first hydraulic control system, the action of the first power source output hydraulic pressure oil is realized by riding.
Specifically, the first hydraulic control system includes hand-operated direction valve 23, and the first power source is manual pump 22, is manually adjusted Unit also includes pedal link mechanism 3, and the hand-operated direction valve 23 is connected with the oil-out of the manual pump 22, the foot-operated company Linkage 3 is connected with manual pump 22, to make the output hydraulic pressure of the manual pump 22 oil by foot-operated action.
Bent hand mode by operating personnel compared in prior art, the first power source is made by foot-operated mode Output hydraulic pressure oil, can make the more convenient to operate of artificial adjustment unit, standing only need to pass through pin on job platform 1 The action that can just complete to make the first power source output hydraulic pressure oil is stepped on, the action that operating personnel bend is reduced, and in space On limited job platform 1, standing operation is convenient, is more convenient for observing the attitude of job platform 1 at any time while foot-operated, Broad view, force of being also more convenient for.
First power source is preferably but not limited to as manual pump 22, and here manual pump 22 is meant that can adopt existing skill It is existing in art that fuel-displaced pump is realized by hand mode, do not represent in the utility model to enter it also by manual mode Row operation, is converted to the hand fuel-displaced mode of manual pump 22 foot-operated in the utility model embodiment by pedal link mechanism 3 Fuel-displaced mode.
Wherein, in a preferred embodiment, hand-operated direction valve 23 and manual pump 22 can be integrated in integrated unit 2 On.
In another preferred embodiment, pedal link mechanism 3 can also be arranged on integrated unit 2, with further Strengthen integrated result, further reduce taking up room.
Further, automatically controlled adjustment unit includes proportional reversing valve 21, and proportional reversing valve 21 is used for automatically controlled adjustment unit In oil feeding line commutated, proportional reversing valve 21 is also integrated in integrated unit 2.
To realize foot-operated control, pedal link mechanism 3 is arranged on job platform 1 and with the first power source and is connected, with The first power source output hydraulic pressure oil is made by riding the pedal link mechanism 3.
By arranging pedal link mechanism 3, the transformation to existing levelling device can be reduced as far as, if than existing Levelling device in already provided with the manual pump operated by hand mode, then only need to install additional in the structure of original manual pump Pedal link mechanism 3, it is possible to transform the manual control mode of manual pump as treadle control mode, so can avoid original The waste of parts, it is cost-effective.
As a specific embodiment of pedal link mechanism 3, as shown in fig. 6, pedal link mechanism 3 includes the first connection Bar 33 and pedal 34, the first end of head rod 33 can be rotated relative to job platform 1, and the second of head rod 33 End is connected with pedal 34, and the first power source includes starter, and starter is connected with head rod 33, with foot-operated by trampling Plate 34 is on device when pedal 34 is depressed causing head rod 33 to rotate relative to job platform 1.
Wherein, head rod 33 is bending structure, and specific bending number of times and bending angle can be flexible as needed Arrange, as long as operating personnel can be facilitated just to open the starter of the first power source by trampling pedal 34. In embodiment shown in Fig. 5, head rod 33 is in substantially Z-shaped, and dotted portion is the situation that pedal 34 is depressed in figure, It is now oil condition.Head rod 33 primarily serves switching effect, in other embodiments, if pedal 34 is direct Being connected on the starter of the first power source can also facilitate if the trampling of operating personnel, it is also possible to omit the head rod 33。
Further, pedal link mechanism 3 also include the connecting rod 32 of support bar 31 and second, the first end of support bar 31 with Job platform 1 connects, and the second end and the first end of head rod 33 of support bar 31 are rotatably coupled, and support bar 31 can be with Support is provided for head rod 33, and the strong point is raised relative to integrated unit 2, to provide as operating personnel sky is trampled Between;Head rod 33 is connected by the second connecting rod 32 with starter, as shown in figure 5, the second connecting rod 32 can be connected to The front end of head rod 33, to save the power that operating personnel trample pedal 34.
Used as the further preferred of above-described embodiment, job platform device for adjusting posture also includes elastic mechanism, elastic machine Structure is used to make pedal link mechanism 3 automatically reset after releasing to the trampling of pedal link mechanism 3.
Such as, elastic mechanism can be spring, and spring can be arranged on the inside of manual pump 22, to control its starter It is automatically switched off.When pedal 34 is stepped on, spring is compressed, and the oil-out of manual pump 22 is opened, and hydraulic oil can be smoothly defeated Go out;When the pin of operating personnel leaves pedal 34, spring automatic reset, the oil-out of manual pump 22 is closed, and hydraulic oil stops Only export.Operating personnel are by continuously trampling pedal 34, it is possible to achieve the continuous output of hydraulic oil.
It is more than the concrete introduction to job platform device for adjusting posture structure, job platform pose adjustment is explained below The hydraulic principle of device, specifically can be found in one embodiment as shown in Figure 7.
First, automatically controlled adjustment unit includes the second hydraulic control system, and by second hydraulic control system operation is realized The adjust automatically of the attitude of platform 1.Specifically, the second hydraulic control system includes proportional reversing valve 21, controller, attitude detection Device and the second power source, wherein, the oil inlet P 1 of proportional reversing valve 21 is connected with system oil inlet P 0, oil-out T1 and system Oil return inlet T 0 is connected, and actuator port A1, B1 are connected respectively with system actuator port A, B.
Attitute detecting device is used for the attitude information of detection operation platform 1, and controller and Attitute detecting device and ratio are changed Connect to valve 21, controller is used to receive the attitude information of Attitute detecting device, and controls proportional reversing valve according to attitude information 21, the attitude of job platform 1 is adjusted with the commutation of passing ratio reversal valve 21.
Second power source is used to provide hydraulic oil, and the second power source and the first power source for the second hydraulic control system Relatively independent, the purpose for so arranging is so that automatically controlled adjustment unit can be relative only with the power supply for manually adjusting unit It is vertical, to ensure that another still is able to normally use when wherein one is broken down.
Wherein, Attitute detecting device can be obliquity sensor, for the angle of inclination of detection operation platform 1.Second moves Power source can adopt the power supply source of the car load for carrying the job platform device for adjusting posture, such as engine etc., certainly, the Two power sources can also be other power sources relatively independent with the power supply source of car load.
As shown in Figure 7, the second power source can be connected at oil inlet P 0.In in order to prevent the second hydraulic control system Oil circuit overload, the connection oil circuit and oil return inlet T 0 and ratio between the oil inlet P 1 of oil inlet P 0 and proportional reversing valve 21 change To the first overflow valve 251 is provided between the connection oil circuit between the oil return inlet T 1 of valve 21, to prevent the pressure mistake on oil-feed oil circuit Greatly so as to can in time pass through oil return circuit overflow when pressure is larger.
Proportional reversing valve 21 is magnetic valve, and by cooperating with Attitute detecting device and controller, it is right to realize The adjust automatically at the angle of inclination of job platform 1.Certainly, proportional reversing valve 21 can also be the proportioning valve of manual control, that is, lead to Cross operating personnel's control handle to control the valve of openings of sizes, such operating personnel can be according to the detection number of Attitute detecting device According to the opening of control proportional reversing valve 21 and commutation manually, at this moment automatically controlled adjustment unit mixing as manually in combination with automatically controlled Control mode.
Secondly, unit is manually adjusted including the first hydraulic control system, operation is realized by first hydraulic control system The adjust automatically of the attitude of platform 1.Specifically, the first hydraulic control system includes manual pump 22 and hand-operated direction valve 23, manually The oil inlet P 2 of reversal valve 23 is connected with the oil-out of manual pump 22, and oil-out T2 is connected with system oil return mouth T0, actuator port A2, B2 are connected respectively with system actuator port A, B.
To avoid the fluid on oil-feed oil circuit from flowing backwards, manual pump 22 is caused to damage, in the oil-out and hand of manual pump 22 Check valve 27 can be set between the oil inlet P 2 of dynamic reversal valve 23, to prevent fluid from flowing backwards.
Oil filter 26 can also be set before the oil-in of manual pump 22, to carry out to the hydraulic oil into manual pump 22 Dust removal by filtration, it is to avoid dust or impurity result in blockage into manual pump 22.
Can be with the second overflow valve 252 in parallel, to carry out to oil-feed oil circuit between the oil-in of manual pump 22 and oil-out Overload protection.
System actuator port A, B can be connected with the actuator port of drive mechanism, and drive mechanism is used to drive job platform 1 Deflect, to adjust the attitude of job platform 1.Drive mechanism can be hydraulic jack, by the piston rod of hydraulic jack Stretch to realize the pose adjustment of job platform 1.
Pressure choosing is provided between the output circuit of the output circuit of the first hydraulic control system and the second hydraulic control system Select a good opportunity structure, the pressure selection mechanism is used to choose the larger oil circuit of pressure in accordingly two output circuits, and makes pressure larger Oil circuit connect with the oil feeding line of drive mechanism, with by drive mechanism drive job platform 1 rotate, and then adjust operation horizontal The attitude of platform 1.
Pressure selection mechanism can cause to come from pressure into the hydraulic oil of drive mechanism by system actuator port A, B Larger oil circuit, i.e. pressure selection mechanism can play selection index system, be on earth be adjusted by manually adjusting unit or Be adjusted by automatically controlled adjustment unit, pressure selection mechanism can both of which can with normal work when select one of which; Pressure selection mechanism can also block another kind of adjusting apparatus, to prevent two kinds while one of which adjustment unit is selected Interfere between adjustment unit.
The specific constructive form of pressure selection mechanism has various, as long as its effect can be realized.Preferably, pressure choosing Structure of selecting a good opportunity is shuttle valve 24.
Specifically, as shown in fig. 7, pressure selection mechanism includes the first shuttle valve 241 and the second shuttle valve 242, the first shuttle valve 241 It is arranged between the actuator port A1 of proportional reversing valve 21 and the actuator port A2 of hand-operated direction valve 23, the two of the first shuttle valve 241 Individual oil-in is connected respectively with hydraulic fluid port A1 and hydraulic fluid port A2, and the oil-out of the first shuttle valve 241 is connected with system actuator port A;Second Shuttle valve 242 is arranged between the actuator port B1 of proportional reversing valve 21 and the actuator port B2 of hand-operated direction valve 23, the second shuttle valve 242 two oil-ins are connected respectively with hydraulic fluid port B1 and hydraulic fluid port B2, and oil-out and the system actuator port B of the second shuttle valve 242 connect It is logical.
As the preferred embodiment of the utility model job platform device for adjusting posture, the first hydraulic control system, second Hydraulic control system, the first power source and pedal link mechanism 3 are integrated on integrated unit 2.
Specifically, manual pump 22, proportional reversing valve 21, hand-operated direction valve 23, shuttle valve 24 are (including the first shuttle valve 241 and Two shuttle valves 242), overflow valve 25 (including the first overflow valve 251 and the second overflow valve 252), oil filter 26, check valve 27 and whole Individual pedal link mechanism 3 may be integrated on integrated unit 2, can so greatly reduce job platform device for adjusting posture Take up room, for operating personnel bigger activity space provided, the part as shown in label A in Fig. 4, using integrated unit 2 it Afterwards, the entirety of job platform device for adjusting posture takes up room and is substantially reduced, and is connected by fluid pressure line compared in prior art The working bucket leveling device for connecing needs the whole side for taking working bucket, job platform device for adjusting posture in the utility model The small part space of job platform 1 need to be taken, such as can be installed in the lower section of console on job platform 1, be filled Divide and utilize existing unemployed space, improve space availability ratio.
In addition to above-mentioned job platform device for adjusting posture, the utility model also provides a kind of high-altitude operation vehicle, including upper State the job platform device for adjusting posture described in any embodiment.
High-altitude operation vehicle also includes chassis vehicle, job platform 1 and telescopic jib, and job platform 1 is arranged on telescopic jib Top, is delivered to different height to complete operation of ascending a height by telescopic jib.
High-altitude operation vehicle can be the vehicle for completing all kinds of work high above the ground, particularly rescue class fire fighting truck.
A reality of 4~7 pairs of the utility model job platform device for adjusting posture and high-altitude operation vehicle below in conjunction with the accompanying drawings The course of work for applying example is illustrated:
As shown in figure 4, the pose adjustment to realize job platform 1, the job platform device for adjusting posture includes artificial tune Whole unit and automatically controlled adjustment unit.As shown in figure 5, manually adjusting unit including manual pump 22 and pedal link mechanism 3.Such as Fig. 6 Shown, pedal link mechanism 3 includes support bar 31, head rod 33, the second connecting rod 32 and pedal 34.
Operator steps on the fuel feeding that a manual pump 22 is just completed after pedal 34 with pin, and after release, pedal 34 can be certainly It is dynamic to reset, pedal 34 is trampled again completes second fuel feeding, so continuously trample, just it is capable of achieving continuous oil supply.
As shown in fig. 7, during normal work, hydraulic fluid port Po, To connect the second power source, force feed side is controlled by proportional reversing valve 21 To.When the left position of proportional reversing valve 21 (or right position) is connected, P1 and A1 (or B1) is connected, and pressure oil is reached by A1 (or B1) mouth First shuttle valve 241 (or second shuttle valve 242), by the first shuttle valve 241 (or second shuttle valve 242) A (or B) mouth is reached, and control is made (or downward) leveling upwards of industry platform 1;
When the regulatory function of automatically controlled levelling device fails, such as Po does not have pressure oil-source, or proportional reversing valve 21 is not Can work etc., the handle of hand-operated direction valve 23 now only need to be artificially moved, the right position (or left position) for making hand-operated direction valve 23 is connected, Operating personnel just may stand in that job platform 1 is inner continuously to trample pedal 34, the pressure oil of manual pump 22 by P2 and A2 (or B2) mouth is connected, and reaches the first shuttle valve 241 (or second shuttle valve 242), is reached again by the first shuttle valve 241 (or second shuttle valve 242) A (or B) mouth, (or downward) leveling upwards of control job platform 1.
By the explanation to the utility model job platform device for adjusting posture and multiple embodiments of high-altitude operation vehicle, can To see that the utility model job platform device for adjusting posture and high-altitude operation vehicle embodiment at least have one or more of Advantage:
1st, it is at least partly integrated by the way that unit and automatically controlled adjustment unit will be manually adjusted, compact conformation is not only reduced Size and installing space, do not affect the activity of staff on job platform, and also reduce weight, simplify pipeline peace Dress;
2nd, manually adjust in unit and be provided with pedal link mechanism, the power mode that manually adjusts is changed to be trampled with pin Power mode, operator need to only stand and pedal just achievable emergent levelling function, broad view, behaviour are continuously trampled in working bucket Facilitate;
3rd, make manual pump possess auto-reset function by arranging elastic mechanism, make operation more convenient;
4th, by arranging pressure selection mechanism, reduction manually adjusts the interference between unit and automatically controlled adjustment unit.
Finally it should be noted that:Above example is only to illustrate the technical solution of the utility model rather than it is limited System;Although being described in detail to the utility model with reference to preferred embodiment, those of ordinary skill in the art should Understand:Still specific embodiment of the present utility model can be modified or equivalent is carried out to some technical characteristics and be replaced Change;Without deviating from the spirit of technical solutions of the utility model, it all should cover the technical scheme being claimed in the utility model In the middle of scope.

Claims (14)

1. a kind of job platform device for adjusting posture, it is characterised in that described including unit and automatically controlled adjustment unit is manually adjusted Unit is manually adjusted for adjusting the attitude of job platform (1) by manual mode of operation, the automatically controlled adjustment unit is used to lead to Cross the attitude that automatically controlled mode adjusts job platform (1), each element for manually adjusting unit and/or the automatically controlled adjustment Each element of unit is at least partly integrated.
2. job platform device for adjusting posture according to claim 1, it is characterised in that described to manually adjust each of unit Each element of element and/or the automatically controlled adjustment unit is at least partly integrated on integrated unit (2).
3. job platform device for adjusting posture according to claim 1, it is characterised in that the unit that manually adjusts includes Hand-operated direction valve (23), manual pump (22) and pedal link mechanism (3), the hand-operated direction valve (23) and the manual pump (22) Oil-out connection, the pedal link mechanism (3) is connected with manual pump (22), to make the manual pump by riding action (22) output hydraulic pressure oil.
4. job platform device for adjusting posture according to claim 3, it is characterised in that the hand-operated direction valve (23) and The manual pump (22) is integrated on integrated unit (2).
5. job platform device for adjusting posture according to claim 4, it is characterised in that the pedal link mechanism (3) It is arranged on the integrated unit (2).
6. the job platform device for adjusting posture according to claim 4 or 5, it is characterised in that the automatically controlled adjustment unit Including proportional reversing valve (21), the proportional reversing valve (21) is for changing the oil feeding line in the automatically controlled adjustment unit To the proportional reversing valve (21) is also integrated in the integrated unit (2).
7. job platform device for adjusting posture according to claim 1, it is characterised in that described also including drive mechanism Unit is manually adjusted including the first hydraulic control system, the automatically controlled adjustment unit includes the second hydraulic control system, described the Pressure selection mechanism is provided between the output circuit of the output circuit of one hydraulic control system and second hydraulic control system, The pressure selection mechanism is used to choose the larger oil circuit of pressure in accordingly two output circuits, and makes the pressure larger Oil circuit is connected with the oil feeding line of the drive mechanism, to drive the job platform (1) to rotate by the drive mechanism, is entered And adjust the attitude of the job platform (1).
8. job platform device for adjusting posture according to claim 7, it is characterised in that the pressure selection mechanism includes Shuttle valve (24).
9. job platform device for adjusting posture according to claim 3, it is characterised in that the pedal link mechanism (3) Including head rod (33) and pedal (34), the first end of the head rod (33) can be relative to the operation horizontal Platform (1) is rotated, and the second end of the head rod (33) is connected with the pedal (34), the manual pump (22) with it is described Head rod (33) connects, so that the head rod (33) is caused by trampling the pedal (34) relative to described Job platform (1) is rotated, and the manual pump (22) is opened when the pedal (34) are depressed.
10. job platform device for adjusting posture according to claim 9, it is characterised in that the pedal link mechanism (3) Also include support bar (31) and the second connecting rod (32), the first end of the support bar (31) is connected with the job platform (1), Second end of the support bar (31) is rotatably coupled with the first end of the head rod (33), the head rod (33) it is connected with the manual pump (22) by second connecting rod (32).
11. job platform device for adjusting posture according to claim 3, it is characterised in that described also including elastic mechanism Elastic mechanism is used to make the pedal link mechanism (3) answer automatically after releasing to the trampling of the pedal link mechanism (3) Position.
12. job platform device for adjusting posture according to claim 1, it is characterised in that described to manually adjust unit bag The first power source for including the first hydraulic control system and providing hydraulic oil for first hydraulic control system, the automatically controlled adjustment Unit includes the second hydraulic control system and the second power source for providing hydraulic oil for second hydraulic control system, described the Two power sources are relatively independent with first power source.
13. a kind of high-altitude operation vehicles, it is characterised in that include the job platform attitude as described in any one of claim 1~12 Adjusting apparatus.
14. high-altitude operation vehicles according to claim 13, it is characterised in that the high-altitude operation vehicle is rescue class fire-fighting Car.
CN201621033649.4U 2016-08-31 2016-08-31 Work platform posture adjustment device and high altitude construction car Active CN206129746U (en)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109132964A (en) * 2017-06-28 2019-01-04 捷尔杰(天津)设备有限公司 A kind of platform angle electronic intelligence leveling system applied to aerial work platform

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109132964A (en) * 2017-06-28 2019-01-04 捷尔杰(天津)设备有限公司 A kind of platform angle electronic intelligence leveling system applied to aerial work platform

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